Model referencecal. 5645medium confidence

56GA-046

grand seiko · catalogued in 1972

Identifiers

Case-movement ref: 56GA-046
Caliber: 5645
Case no.: 046

From the catalogue

List price: ¥180,000
Specs: gold · 18K · auto

cushion case, silver dial, brown leather strap; caliber inferred 56xx

Appears in

1972 Seiko Luxuryp.0